2boys abs aizenhower angry anus armpit_hair armpits arms_up artist_name ass avatar_the_last_airbender balls bara black_hair bolin bondage butt character_name circumcised color copyright_name cousins dai_li digital_media_(artwork) disembodied_hand duo earthbending erection forced gay green_eyes headband human imminent_rape imminent_sex legs_held_open light_skin looking_at_viewer lying male male_only muscle muscles muscular muscular_male naked navel nickelodeon nipples nude open_mouth pale-skinned_male pale_skin pecs penis pubic_hair restrained scared smooth_skin spread_legs spreading sweat tan_skin tears teeth the_legend_of_korra tu_(avatar) uncensored vein veins veiny veiny_penis yaoi